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Redmi K40 Xiaomi Mi 4

Redmi K40
ACorner A
Redmi K40
Redmi · Phones
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VS
Xiaomi Mi 4
BCorner B
Xiaomi Mi 4
Xiaomi · Phones
Swap
Wins by spec 9 A rows 1 B rows 4 ties

Key differences

At a glance
ARedmi K40 Released: Feb 2021 vs Jul 2014
ARedmi K40 Price: 3,350 – 4,550 SAR vs 3,850 – 5,200 SAR
ARedmi K40 Display Size: 6.67" vs 5.0"
BXiaomi Mi 4 Weight: 149g vs 196g
=Even on: Resolution — 1080x2400 vs 1080x1920

Comparing Redmi K40 vs Xiaomi Mi 4? We've got the full breakdown: specs, real Saudi market prices, and key differences — all side by side so you can pick the right one.

01Price

2 rows
Released
WIN Feb 2021
Jul 2014
Price
WIN 3,350 – 4,550 SAR
3,850 – 5,200 SAR
Released
A WIN Feb 2021
B Jul 2014
Price
A WIN 3,350 – 4,550 SAR
B 3,850 – 5,200 SAR

02Display

3 rows
Display Size in
WIN 6.67"
5.0"
Resolution px
1080x2400
1080x1920
Refresh Rate Hz
WIN 120Hz
60Hz
Display Sizein
A WIN 6.67"
B 5.0"
Resolutionpx
A 1080x2400
B 1080x1920
Refresh RateHz
A WIN 120Hz
B 60Hz

03Performance

3 rows
RAM GB
WIN 6GB
3GB
Processor
Qualcomm Snapdragon 870
Qualcomm Snapdragon 801
Storage GB
WIN 128GB
16GB
RAMGB
A WIN 6GB
B 3GB
Processor
A Qualcomm Snapdragon 870
B Qualcomm Snapdragon 801
StorageGB
A WIN 128GB
B 16GB

04Battery

1 rows
Battery mAh
WIN 4,520mAh
3,080mAh
BatterymAh
A WIN 4,520mAh
B 3,080mAh

05Camera

2 rows
Main Camera MP
WIN 48MP
13MP
Front Camera MP
WIN 20MP
8MP
Main CameraMP
A WIN 48MP
B 13MP
Front CameraMP
A WIN 20MP
B 8MP

06Design

2 rows
Weight g
196g
WIN 149g
Water Resistance
IP53
No
Weightg
A 196g
B WIN 149g
Water Resistance
A IP53
B No

07Software

1 rows
OS
Android 11 (MIUI)
Android 4.4 (MIUI)
OS
A Android 11 (MIUI)
B Android 4.4 (MIUI)

Redmi K40 leads Xiaomi Mi 4 on 9 specs vs 1. Check the full table and decide based on the specs that matter most to you.

Redmi K40 vs Xiaomi Mi 4 — display, performance, cameras, battery, price, and key differences. Side by side.

Where to buy

Pick a store to see its latest price.

📋 Phones Buying Guide
Prices are estimated average Saudi market prices, reviewed June 2026. Actual prices vary by retailer, storage configuration, warranty, and promotions. Prices shown in Saudi Riyal. iOfficial prices are from the manufacturer. Estimated prices are based on average prices from Amazon, Noon, Alibaba, and eXtra in the Saudi market.